Q: What are the prime factors of the number 46,622,160?

 A: 2, 3, 5, 13, 17, 293

Why are those the prime factors of the number 46,622,160?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 46,622,160

46,622,160
Factor Arrows
223,311,080
Factor Arrows
211,655,540
Factor Arrows
25,827,770
Factor Arrows
22,913,885
Factor Arrows
3971,295
Factor Arrows
3323,765
Factor Arrows
564,753
Factor Arrows
134,981
Factor Arrows
17293

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 5, 13, 17, 293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 13 x 17 x 293 = 46,622,160

This can also be written as 24 x 32 x 51 x 131 x 171 x 2931 = 46,622,160

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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